The Washer,flat, cataloged under National Stock Number 5310-01-438-9809, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-438-9809 |
| Primary Part Number | 9X2038 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A04479 | Unac (FRA) |
| CV152568D | Tvs Supply Chain Solutions Limited (GBR) |
| 9X-2038 | Hastings Deering (aust) Pty Ltd (AUS) |
| 9X2038 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 17KP477 | Oshkosh Defense Llc (USA) |
| 9X-2038 | Westrac Equipment Pty Ltd (AUS) |
| 9X-2038 | William Adams Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 17KP477 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-438-9809 is a Washer,flat, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-438-9809 has 7 manufacturer part numbers on file: A04479 (Unac), CV152568D (Tvs Supply Chain Solutions Limited), 9X-2038 (Hastings Deering (aust) Pty Ltd), 9X2038 (Caterpillar Inc Div Caterpillar Defense), 17KP477 (Oshkosh Defense Llc) and 2 more.
Key specifications for 9X2038: End Item Identification: USED ON MODEL 950F WHEEL LOADER. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.